Home / 351,505.50-528,099.40-225,392.82

Finding the Fourth Proportional to 351,505.50, 528,099.40 and 225,392.82

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Solution

The fourth proportional to 351,505.50, 528,099.40 and 225,392.82 is: 338,628.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,505.50 : 528,099.40 = 225,392.82 : x
  2. Step 2: Convert to fraction form
    351,505.50/528,099.40 = 225,392.82/x
  3. Step 3: Cross multiply
    351,505.50x = 528,099.40 × 225,392.82
  4. Step 4: Simplify right side
    351,505.50x = 119,029,813,006.31
  5. Step 5: Solve for x
    x = 119,029,813,006.31/351,505.50
  6. Step 6: Final answer
    x = 338,628.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.